---- was it they discovered the entrance to the underground palace?----Totally b
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----______was it ______ they discovered the entrance to the underground palace?
----Totally by chance
A.How, that
B.What, that
C.When, when
D.Where, that
试题答案
A
本题考查强调句式中带有特殊疑问词的用法，上面已经多次提到，这里不再详细说明。